Knowledge base for software setup, errors, and daily tool work.

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Security Blank Screen in Command Prompt

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

Fix Windows Defender Real-Time Protection Turning Off Automatically

If Windows Defender's real-time protection keeps turning off automatically, your PC may be vulner...

Windows Security App Not Opening After Update: Fixes

After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...

How to Fix a Stuck Windows Security Virus Scan

You start a Windows Security scan, and it sits at the same percentage for minutes—or even hours. ...

Chrome Bypass Proxy for Local Addresses: How to Fix

If you're using a proxy in Chrome and notice that local addresses (like localhost, <...